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Diffstat (limited to '3871/CH3/EX3.15')
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1 files changed, 22 insertions, 0 deletions
diff --git a/3871/CH3/EX3.15/Ex3_15.sce b/3871/CH3/EX3.15/Ex3_15.sce new file mode 100644 index 000000000..3161d5be4 --- /dev/null +++ b/3871/CH3/EX3.15/Ex3_15.sce @@ -0,0 +1,22 @@ +//===========================================================================
+//chapter 3 example 15
+
+clc;clear all;
+
+//variable decelaration
+er = 0.015; //limiting error
+V = 100; //range of voltmeter in V
+I = 150; //range of ammeter in mA
+V1 = 70; //magnitude of voltage being measured in V
+I1 = 80; //magnitude of current being measured in mA
+
+//calculations
+dV = er*V; //magnitude(dV/V of limiting error of the voltmeter in V
+eV = (dV/(V1))*100; //percentage(dI/I) limitng error at this voltage in %
+dI = er*I; //magnitude of limitng error off the ammeter in mA
+eI = (dI/(I1))*100; //percentage limitng error at this current in %
+P = V1*(I1/(1000)); //power in W
+dPx = eV+eI; //relative limiting error(dPx/Px) in power measurement in %
+
+//result
+mprintf("relative limitng error in power measurement= %3.4f percentage",dPx);
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